{ "id": "1612.03282", "version": "v1", "published": "2016-12-10T11:47:36.000Z", "updated": "2016-12-10T11:47:36.000Z", "title": "Some remarks on derivations on the algebra of operators in Hilbert pro-C*-bimodules", "authors": [ "Khadijeh Karimi", "Kamran Sharifi" ], "comment": "8 pages, accepted", "categories": [ "math.OA" ], "abstract": "Suppose $A$ is a pro-C*-algebra. Let $L_{A}(E)$ be the pro-C*-algebra of adjointable operators on a Hilbert $A$-module $E$ and let $K_{A}(E)$ be the closed two sided $*$-ideal of all compact operators on $E$. We prove that if $E$ be a full Hilbert $A$-module, the innerness of derivations on $K_{A}(E)$ implies the innerness of derivations on $L_{A}(E)$. We show that if $A$ is a commutative pro-C*-algebra and $E$ is a Hilbert $A$-bimodule then every derivation on $K_{A}(E)$ is zero. Moreover, if $A$ is a commutative $\\sigma$-C*-algebra and $E$ is a Hilbert $A$-bimodule then every derivation on $L_{A}(E)$ is zero, too.", "revisions": [ { "version": "v1", "updated": "2016-12-10T11:47:36.000Z" } ], "analyses": { "subjects": [ "46L08", "46L05", "46H25", "47B47" ], "keywords": [ "derivation", "compact operators", "full hilbert", "adjointable operators" ], "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable" } } }